344224469 has 2 divisors, whose sum is σ = 344224470. Its totient is φ = 344224468.

The previous prime is 344224459. The next prime is 344224477. The reversal of 344224469 is 964422443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323640100 + 20584369 = 17990^2 + 4537^2 .

It is an emirp because it is prime and its reverse (964422443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344224469 - 2²⁸ = 75789013 is a prime.

It is a super-2 number, since 2×344224469² = 236980970116663922, which contains 22 as substring.

It is a Chen prime.

It is equal to p_18509843 and since 344224469 and 18509843 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344224459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172112234 + 172112235.

It is an arithmetic number, because the mean of its divisors is an integer number (172112235).

Almost surely, 2^344224469 is an apocalyptic number.

It is an amenable number.

344224469 is a deficient number, since it is larger than the sum of its proper divisors (1).

344224469 is an equidigital number, since it uses as much as digits as its factorization.

344224469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 38.

The square root of 344224469 is about 18553.2872828510. The cubic root of 344224469 is about 700.8319828664.

The spelling of 344224469 in words is "three hundred forty-four million, two hundred twenty-four thousand, four hundred sixty-nine".